4045994819 has 8 divisors (see below), whose sum is σ = 4059748032. Its totient is φ = 4032262080.

The previous prime is 4045994789. The next prime is 4045994831. The reversal of 4045994819 is 9184995404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045994819 is a prime.

It is a super-2 number, since 2×4045994819² = 32740148150749685522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045994879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460007 + ... + 468719.

It is an arithmetic number, because the mean of its divisors is an integer number (507468504).

Almost surely, 2^4045994819 is an apocalyptic number.

4045994819 is a deficient number, since it is larger than the sum of its proper divisors (13753213).

4045994819 is a wasteful number, since it uses less digits than its factorization.

4045994819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 4045994819 is about 63608.1348492471. The cubic root of 4045994819 is about 1593.4622310955.

The spelling of 4045994819 in words is "four billion, forty-five million, nine hundred ninety-four thousand, eight hundred nineteen".